Oberweis China Opportunities has one of the hottest track records of any mutual fund. How has portfolio manager Jim Oberweis pulled it off? He's done it by applying to China the same small-cap strategy that his firm has used in the U.S. for nearly three decades. He looks for fast-growing companies with stock that is inexpensive based on P/E ratios. Then he sifts through those possibilities to find the most promising
